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Earnings Per Share (Tables)
9 Months Ended
Sep. 30, 2011
Earnings Per Share [Abstract] 
Computation of basic and diluted earnings per share
The following table sets forth the computation of basic earnings per share and earnings per share, assuming dilution:
 
Third Quarters
Nine Months
 
2011
2010
2011
2010
Numerator (Dollars in millions):
 
 
 
 
Net Earnings
$
464

$
414

$
1,365

$
1,133

 
 
 
 
 
Denominator (Units in millions):
 
 
 
 
Average Common Shares Outstanding
1,071

1,134

1,094

1,152

Other Potentially Dilutive Common Shares (a)
6

11

6

10

Average Common Shares Outstanding, Assuming Dilution
1,077

1,145

1,100

1,162

 
 
 
 
 
Net Earnings Per Share, Basic
$
0.43

$
0.36

$
1.25

$
0.98

Net Earnings Per Share, Assuming Dilution
$
0.43

$
0.36

$
1.24

$
0.97


(a)
Other potentially dilutive common shares include convertible debt, stock options, common stock equivalents and performance units granted under a management incentive compensation plan.